Activity
Immed
pred
Optim
time (a)
Most likely
time (m)
Pessim
time (b)
Expected
time
Variance
Standard
deviation
EST EFT LST LST Slack Critical?
A – 4 5 6 5.00 0.11 0.33 0.00 5.00 0.00 5.00 0.00 Y
B A 2 5 8 5.00 1.00 1.00 5.00 10.00 5.00 10.00 0.00 Y
G E 4 5 6 5.00 0.11 0.33 21.00 26.00 34.00 39.00 13.00 N
H E 3 4 7 4.33 0.44 0.67 21.00 25.33 34.67 39.00 13.67 N
Case: Haygood Brothers